2 . He ________ be our English teacher. Our teacher Jerry has gone to Beijing.

A．needn’t

B．mustn’t

C．can’t

D．wouldn’t

3 . —Where________ Margaret have put the empty bottles?
—She ________them away. They must be somewhere.

A．can; can’t have thrown	B．must; needn’t
C．must; must have thrown	D．can; must throw

4 . —Who’s singing in the next room? Is it Lucy?
—It ______ be her. She has gone to New York.

A．needn’t

B．can’t

C．mustn’t

D．won’t

5 . Johnny, you ________ play with the knife, you ________ hurt yourself.

A．won’t; can’t

B．shouldn’t; must

C．mustn’t; may

D．can’t, wouldn’t

6 . Mary has gone to Guangzhou, so she _____   be in Shenzhen at present.

A．mustn’t

B．can’t

C．needn’t

D．won’t

7 . My book, Letters from Father Christmas is missing. Who ________ have taken it?

A．must

B．could

C．should

D．need

8 . —Who’s singing in the next room? Is it Lucy?
—It ______ be her. She has gone to New York.

A．can’t

B．shouldn’t

C．mustn’t

D．won’t

9 . Love is one of the greatest things in the world, but sometimes it ______ be difficult.

A．would

B．can

C．should

D．must

10 . He ______ be in the house. Look, that is his car!

A．can

B．can’t

C．must

D．mustn’t